<?php
 
function removeAccents($stripAccents){
  return strtr($stripAccents,'àáâãäçèéêëìíîïñòóôõöùúûüýÿÀÁÂÃÄÇÈÉÊËÌÍÎÏÑÒÓÔÕÖÙÚÛÜÝ','aaaaaceeeeiiiinooooouuuuyyAAAAACEEEEIIIINOOOOOUUUUY');
}
 
function filtrarNumeros($texto){
	return filter_var($texto, FILTER_SANITIZE_NUMBER_INT);
}
 
$qt = "rand(1, 99)";
$qt = strtolower(removeAccents($qt));
$sndline = "Random number";
 
if (($qt == "rand") or ($qt == "random")){
    $result = rand(1, 9999);
    echo $result . "\n";
}
elseif (filtrarNumeros((strstr($qt, 'rand')) !== false) or (filtrarNumeros(strstr($qt, 'random')) !== false)){
	$tok = strtok($qt, ",");
	$min = filtrarNumeros($tok);
	$max = filtrarNumeros(strtok(','));
	$result = rand($min, $max);
	echo $result . "\n";
}
else{
	//....
}

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